-20=2(w+7)-4w

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Solution for -20=2(w+7)-4w equation:


Simplifying
-20 = 2(w + 7) + -4w

Reorder the terms:
-20 = 2(7 + w) + -4w
-20 = (7 * 2 + w * 2) + -4w
-20 = (14 + 2w) + -4w

Combine like terms: 2w + -4w = -2w
-20 = 14 + -2w

Solving
-20 = 14 + -2w

Solving for variable 'w'.

Move all terms containing w to the left, all other terms to the right.

Add '2w' to each side of the equation.
-20 + 2w = 14 + -2w + 2w

Combine like terms: -2w + 2w = 0
-20 + 2w = 14 + 0
-20 + 2w = 14

Add '20' to each side of the equation.
-20 + 20 + 2w = 14 + 20

Combine like terms: -20 + 20 = 0
0 + 2w = 14 + 20
2w = 14 + 20

Combine like terms: 14 + 20 = 34
2w = 34

Divide each side by '2'.
w = 17

Simplifying
w = 17

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